NVIDIA GeForce GT 645 OEM vs AMD Radeon RX 470

VS

NVIDIA GeForce GT 645 OEM

AMD Radeon RX 470

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 4GB VRAM Radeon RX 470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 120W)

AMD Radeon RX 470 's Advantages

Released 4 years and 4 months late

Boost Clock1206MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (211.2GB/s vs 91.87GB/s)

1760 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

Radeon RX 470 +452%

4.94 TFLOPS

GeForce GT 645 OEM

VS

Radeon RX 470

Graphics Card

Apr 2012

Release Date

Aug 2016

GeForce 600

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

926 MHz

-

Boost Clock

1206 MHz

957 MHz

Memory Clock

1650 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

91.87GB/s

Bandwidth

211.2GB/s

Render Config

-

Compute Units

32

6

SM Count

-

288

Shading Units

2048

48

TMUs

128

24

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

2 MB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

38.59 GPixel/s

37.25 GTexel/s

Texture Rate

154.4 GTexel/s

-

FP16 (half)

4.940 TFLOPS

894.0 GFLOPS

FP32 (float)

4.940 TFLOPS

74.50 GFLOPS

FP64 (double)

308.7 GFLOPS

Board Design

102W

TDP

120W

300 W

Suggested PSU

300 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

Power Connectors

1x 6-pin

Graphics Processor

GF114

GPU Name

Ellesmere

-

GPU Variant

Polaris 10 PRO (215-0876204)

Fermi 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.95 billion

Transistors

5.7 billion

332 mm²

Die Size

232 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.4

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